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April 2021 Microsoft Exchange Server Security Updates

Microsoft has released security updates for vulnerabilities found in:

Exchange Server 2013
Exchange Server 2016
Exchange Server 2019

back-to-topThese updates are available for the following specific builds of Exchange Server:

  • Exchange Server 2013 CU23
  • Exchange Server 2016 CU19 and CU20
  • Exchange Server 2019 CU8 and CU9

IMPORTANT: If manually installing security updates, you must install .msp from elevated command prompt (see Known Issues in update KB article).

Although there are no known active exploits in the wild, they recommend installing these updates immediately!

For more information, visit: ...


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Printed on: December 4, 2022 at 00:12 o'clock

Member: Thomas2
Thomas2 Apr 14, 2021 at 13:08:57 (UTC)
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bei Exchange 2016 mit CU19 gab es keine Probleme nach der Installation.

Member: Henere
Henere Apr 14, 2021 updated at 14:11:58 (UTC)
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Member: Kalma73
Kalma73 Apr 22, 2021 updated at 13:35:49 (UTC)
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Warum gibt es für Exchange Server 2019 CU7 keinen Patch.
Beim ersten Exchange Sicherheits Patch war die Version doch dabei. Oder gibt es da den 2. Fehler nicht?